Imagine if Photoshop had feelings and helped you only when it wanted. If it was in a bad mood—say, after reading war coverage—it would refuse to paint. Try again later. While The Painting Fool has its ...

CANNES, France—Rembrandt van Rijn finished his last painting in 1669, the year he died. So it was enthralling, and a little unsettling, to step on to a boat at the Cannes Lions festival for a private ...

Computer painting programs can produce good-looking results but some artists say using a mouse robs them of the sensation of producing art, hampering their creativity. Now researchers have come up ...